/*
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#include "mlir/Support/IndentedOstream.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"

#include <string>

using namespace llvm;
using mlir::raw_indented_ostream;

// From GenPyBindDefs.cpp
extern cl::opt<std::string> builderClass;

namespace {

using TypeNamePair = std::pair<std::string, std::string>;

class GenPybindDefsTypes
{
  	const RecordKeeper &records;

public:
  	explicit GenPybindDefsTypes(const RecordKeeper &records) : records(records) {}

  	void run(raw_ostream &os);
};

void GenPybindDefsTypes::run(raw_ostream &os)
{
	raw_indented_ostream ios(os);
	for (const auto *def : records.getAllDerivedDefinitions("APIType")) {
		if (!def->getValueAsBit("genTypedef")) {
			continue;
		}
		auto defName = def->getValueAsString("typeName");
		ios << ".def(\"get_asc_" << defName << "Type\", [](" << builderClass
			<< " &self) -> ::mlir::Type {\n";
		ios.indent() << "return self->getType<::mlir::ascendc::" << defName
					<< "Type>();\n";
		ios.unindent() << "})\n";
	}
}

TableGen::Emitter::OptClass<GenPybindDefsTypes>
    registration("gen-pybind-defs-types", "Generate PyOpBuilder methods from API Types defs");

} // namespace
